Home / 2,110.54-3,149.79-2,061.40

Finding the Fourth Proportional to 2,110.54, 3,149.79 and 2,061.40

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Solution

The fourth proportional to 2,110.54, 3,149.79 and 2,061.40 is: 3,076.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,110.54 : 3,149.79 = 2,061.40 : x
  2. Step 2: Convert to fraction form
    2,110.54/3,149.79 = 2,061.40/x
  3. Step 3: Cross multiply
    2,110.54x = 3,149.79 × 2,061.40
  4. Step 4: Simplify right side
    2,110.54x = 6,492,977.11
  5. Step 5: Solve for x
    x = 6,492,977.11/2,110.54
  6. Step 6: Final answer
    x = 3,076.45

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.